Paul Brody highlighted that Ey’s Nightfall 4 removes the need for challenger nodes, eliminating previous transaction verification delays
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EY’s global blockchain leader, Paul Brody, told Cointelegraph that switching to a ZK-rollup model “means instant finality, but it also makes operations simpler since you don’t need a challenger node to secure the network,” which verifies the correctness of transactions.
Replacing a "cryptoeconomic approach" with a "cryptographic approach" simplifies Nightfall's architecture because, as a result, there would be "no need to accommodate challenging incorrect blocks," EY said in a statement.
